- System of Measurement: Imperial
- Thread Size: 1/2-13
- Chamfer: Plug
- Number of Flutes: 3
- Thread Limit: H4
- Surface Treatment: TiN+CrC/C Coated
- Material: High Vanadium HSS-E
- Overall Length: 4.33in
- Thread Length: 0.91in
- Shank Diameter: 0.367in
- Thread Standard: UNC
- Hand Direction: Left Hand
- Type: Form D High Performance
- Series: GT72
- Applicable Materials: Wrought and Cast Aluminum, Stainless Steel and Non-Ferrous Materials
- Country of Origin: US
- Flute Direction: Left Hand
- Manufacturer Name: WIDIA
- Application
- Item Features
- Standards
For through hole applications
- Form D plug chamfer (3.5-5P) - the most common chamfers for use by hand or machine in through or blind holes
- Form D applies to straight flute and spiral flute taps
- This chamfer is more efficient than form E or form C chamfers
- WN44EG grade - high vanadium HSS-E substrate with a coating consists of low friction CrC/C over wear resistant TiN base layer
ANSI Specified|DIN Rated